female narrator: sleep train challenged sleep train challenged its manufacturers to offer even lower prices. but the mattress price wars end monday. now, it's posturepedic versus beautyrest with big savings of up to $400 off. serta icomfort and tempur-pedic go head-to-head with three years' interest-free financing, plus free same-day delivery, setup, and removal of your old set. when brands compete, you save.send monday at.